3739991399 has 2 divisors, whose sum is σ = 3739991400. Its totient is φ = 3739991398.

The previous prime is 3739991327. The next prime is 3739991417. The reversal of 3739991399 is 9931999373.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3739991399 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3739991309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1869995699 + 1869995700.

It is an arithmetic number, because the mean of its divisors is an integer number (1869995700).

Almost surely, 2^3739991399 is an apocalyptic number.

3739991399 is a deficient number, since it is larger than the sum of its proper divisors (1).

3739991399 is an equidigital number, since it uses as much as digits as its factorization.

3739991399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11160261, while the sum is 62.

The square root of 3739991399 is about 61155.4690849478. The cubic root of 3739991399 is about 1552.2328414729.

The spelling of 3739991399 in words is "three billion, seven hundred thirty-nine million, nine hundred ninety-one thousand, three hundred ninety-nine".